throw EXCEPTION("ID already exists"); - possible CAUSE ?

[VladVuk]

Hello,

I am trying to dynamically use addMarkers() or removeMarkers() functions with arWrapper for android v5.3.3.

And whenever program comes the certain point (to addMarker to the set which is already active with recognition) it throws exception : "terminating with uncaught exception of type vision::Exception "ID already exists" failed

I found that there are three possible places in FREAK_MATCHER's visual_database-inline.h where exists code with line:
throw EXCEPTION("ID already exists");

But can someone explain me what could be the cause, which are limits of usage, how to reset or keep ID-s consistent in the artoolkit together with android app ?

Or how to make dynamic addMarker / removeMarker while Draw() with marker set works ?

[VladVuk]

I tried to change the code in order to use ARToolkit.getInstance().RemoveAllMarkers() function , after that I tried to again through loop use addMarker() function but the error message is the same.

[VladVuk]

this issue I opened also at :
https://github.com/artoolkit/artoolkit5/issues/387